United States v. Brock Maslonka, No. 2:20-cv-304-SAB, (E.D. Wash. July 14, 2023). A settling CWA defendant must restore impacted areas, perform mitigation, and pay a civil penalty for discharging pollutants without a permit into waters of the United States.

The Bureau of Ocean Energy Management released the final notice of sale for commercial wind energy leasing on the outer continental shelf in the Gulf of Mexico. 

EPA identified certain additional water quality-limited segments for West Virginia’s Combined 2018-2020-2022 Section 303(d) list and seeks comment on those additions.

EPA Region 10 proposed to modify the NPDES general permit for concentrated animal feeding operations in Idaho excluding tribal lands.

EPA entered into a proposed settlement agreement under the CWA and the APA in Gunpowder Riverkeeper v. Regan, No. 1:20-cv-02063 (D.D.C.), concerning allegations that the Agency's approval of Maryland’s submission of TMDLs of PCBs for the Gunpowder and Bird Rivers was arbitrary and capricious in violation of the APA.

United States v. Sandy, Oregon, City of, No. 23-cv-968 (D. Or. June 30, 2023). A settling CWA defendant must perform injunctive relief measures to ensure future compliance, pay a penalty of $250,000 to the United States, pay a penalty of $50,000 to the state of Oregon, and perform a state supplemental environmental project valued at $200,000 for failing to comply with the requirements of its NPDES permits.

United States v. Puerto Rico Aqueduct and Sewer Authority, No. 3:15-CV-02283 (D.P.R. June 29, 2023). Under a proposed modification to a consent decree, a settling CWA defendant is granted a deadline extension on implementing projects to address wastewater discharges from drinking water treatment plants.

United States v. Messer LLC, No. 5:23-cv-0023-JPB (N.D.W. Va. June 22, 2023). A settling CWA defendant that violated NPDES permit numeric effluent limits with respect to wastewater discharges from its industrial gas manufacturing plant in New Cumberland, West Virginia, must perform injunctive relief, including operation of a newly installed copper treatment system by certain deadlines, implementation of a tiered effluent limit response plan, and revision and routine performance of stormwater best management practice measures; and pay a $1.9 million civil penalty.

United States v. Suffolk, County of, No. 23-CV-4369 (E.D.N.Y. June 14, 2023). Settling SDWA defendants must close prohibited large capacity cesspools and motor vehicle waste disposal wells in accordance with a specified timetable in connection with violations of relevant regulations.